Make a program not visible in the dock

just had to get it out there.
I'm running evocam on my macbook pro as a security camera of sorts. I have everything on it set up fine as far as motion sensors go, but I was wondering if there's a way to get it to not show up in the dock. It's just a bit obvious is all.

Also, is there a way to have a user-specified key command control whether or not the motion sensor should capture or not.
Also, I was wondering if there's a way to get evocam to shut down when another camera application (like ichat or photobooth) are opened, instead of it giving the dialog that the camera is already in use.

A lot of great suggestions. Thank you. I think I'm going with techlover/richthomas' idea, I'll try one or both of those programs. I think changing th icon would end up confusing me for right now.
Thank you for all the help.

I don't think there's a setting in evocam, I just got it but i looked through all the settings and couldn't see anything (for the closing once another program is open or for the command key shortcut)
thanks guys, I like how active this forum is.

Your issue has already been solved by whoever posted a link to DockDodger. It does exactly what you want, it removes the Dock icon from the Dock. You can still access the program by any alternative means, like Cmd+Tab.

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